A pediatrician is medical doctor who manages the physical, behavioral, and mental health of children from birth until age 21. A pediatrician is trained to diagnose and treat a broad range of childhood illnesses from minor health problems to serious diseases.

Pediatricians have graduated from medical school and completed a three-year residency program in pediatrics. A board-certified pediatrician has passed rigorous exams given by the American Board of Pediatrics. To remain certified, pediatricians have to meet regular continuing education requirements